# ChronoScale and Microsoft 50 MW GB300 deployment revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Partnership: [ChronoScale and Microsoft 50 MW GB300 deployment](/partnerships/chronoscale-x-microsoft-50mw-gb300-north-america.md)

## Recorded posture

- First recorded event: 2026-08-27
- Last material change: 2026-08-27
- Material event count: 1
- Editorial event count: 0

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /partnerships/chronoscale-x-microsoft-50mw-gb300-north-america/history. REST: /v1/partnerships/608f9a23-2220-41db-823c-a8d340f00c38/history. HTML: [/partnerships/chronoscale-x-microsoft-50mw-gb300-north-america/history](/partnerships/chronoscale-x-microsoft-50mw-gb300-north-america/history)._